Address: 851 NE 70th St. in Boca Raton

Property type: This is a two-story mansion that's 4,816 square feet under air and 6,905 square feet total, according to the Palm Beach County Property Appraiser's office. It was constructed in 2017 with five bedrooms on a less than quarter-acre lot. The waterfront home provides access to the Intracoastal Waterway.

Price: $3,100,000

Seller: Sunco TH LLC, as Trustee of the 851 NE 70th St. Land Trust

Buyer: Donald C. Bessette

Past sale: $812,000 in June 2015